There were 349,675,201.
Since a cold war means NO WAR, there were no casualties.
Approximately 620,000 casualties.
about 620,000 casualties
over 400.000
See: Wikipedia World War II Casualties.
Nearly over 100,000 casualties and by dieseases
There were no war related casualties during the Aroostook War in 1838-1839. However there were 38 casualties that were considered non-combat deaths.
60 million
Estimated on 12,000,000
One source lists 18 US casualties during the Bosnian campaign.
Many countries were involved in World War 1. The casualties of the United States were 321,000. The casualties of Austria-Hungary were 4,820,000. For the French Empire it was 5,651,000. Then Germany had 5,952,000. Great Britain had 2,367,000. Italy had 1,407,000 casualties. The casualties Russia had were 6,650,000. (see the related link for more information)
The duration of Casualties of War is 1.88 hours.